Alert archive / Kansas / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 184, NWS Topeka, KS

August 30, 2001Morris County, Kansas

NWS Topeka, KS issued this severe thunderstorm warning at Aug 30, 2001, 5:43 PM CDT for Morris County, Kansas. It was in force for 32 min. 1 report came from inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued: Aug 30, 2001, 5:43 PM CDT (22:43 UTC)
Expired: Aug 30, 2001, 6:15 PM CDT
In force: 32 min
Issued by: NWS Topeka, KS
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Morris County, KS

The radar

The Topeka radar (KTWX), 55 km from the middle of the area, began a volume at 22:42 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

Time	Report	Where	Remark
Aug 30, 5:45 PM CDT	Hail 0.75	Council Grove, KS

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 10.7 hours before the alert went out and 99 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 860 J/kg
Mixed-layer CIN: -91 J/kg
Mixed-layer LCL: 1128 m above ground
0-6 km bulk shear: 9 kt
0-1 km storm-relative helicity: -5 m²/s²
0-3 km storm-relative helicity: 27 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

263 
WUUS53 KTOP 302244
SVRTOP
KSC127-302315-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
543 PM CDT THU AUG 30 2001

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL AND SOUTHERN MORRIS COUNTY IN EAST CENTRAL KANSAS

* UNTIL 615 PM CDT

* AT 542 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  SEVERE THUNDERSTORMS FROM WILSEY TO COUNCIL GROVE...OR ABOUT 27    
  MILES SOUTHEAST OF JUNCTION CITY...MOVING SOUTHEAST AT 15 MPH.

* SOME LOCATIONS AFFECTED...
  COUNCIL GROVE
  WILSEY
  DIAMOND SPRINGS

LARGE HAIL...VERY HEAVY RAIN AND DAMAGING WINDS ARE LIKELY WITH THIS
STORM. TAKE COVER INSIDE A BUILDING.

STAY TUNED TO NOAA WEATHER RADIO OR LOCAL MEDIA OUTLETS FOR THE
LATEST SEVERE WEATHER INFORMATION.

LAT...LON 3875 9691 3853 9692 3852 9637 3876 9638

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Topeka, KS wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 30, 2:36 PM CDT, 3 hours 7 minutes earlier.

Area forecast discussion, Aug 30, 2:36 PM CDT, 3 hours 7 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE  TOPEKA KS
236 PM CDT THU AUG 30 2001

PRECIPITATION CHANCES TONIGHT...AND TEMPERATURES THROUGH THE PERIOD
ARE THE MAIN CONCERN THIS FORECAST.

COLD FRONT PUSHING INTO CWA AT START OF FORECAST PERIOD ALONG WITH
SOME UPPER SUPPORT IS THE MECHANISM FOR CONVECTION TONIGHT.  BUT
SYSTEM SHOULD BE TO OUR SOUTH BY FRIDAY WITH DRY WEATHER THEREAFTER.
ANOTHER WAVE APPROACHES FROM THE WEST SATURDAY NIGHT BUT TIMING IS
UNCERTAIN AT THIS POINT AND GUIDANCE POPS REMAIN LOW SO WILL KEEP
THINGS DRY FOR NOW.

REGARDING TEMPERATURES...COOLER READINGS IS THE MAIN STORY.
GUIDANCE CONSENSUS AND CURRENT FORECAST ARE CLOSE THROUGH SATURDAY
NIGHT SO WILL GO WITH A BLEND OF THOSE TWO INGREDIENTS ON THIS
PACKAGE.

REGARDING THE EXTENDED...WILL GO DRY EXCEPT ON THURSDAY WHEN A
CHANCE CATEGORY WILL BE INCERTED DUE TO RETURNING FLOW.  SEASONAL
TEMPERATURES ARE EXPECTED WITH A GRADUAL WARMING TREND.

.TOP...NONE.

34

In the hours before

Local storm report, Aug 30, 2:46 PM CDT, 2 hours 57 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TOPEKA KS
246 PM CDT THU AUG 30 2001

TIME(CDT)  .....CITY LOCATION..... STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0244 PM    LAWRENCE                  KS    60 MPH TSTM GUST
08/30/01   DOUGLAS

The office that day

Everything else NWS Topeka, KS issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 30, 4:09 PM CDT	Severe Thunderstorm Warning	TOP	Wabaunsee	36 min

Nearby

Severe Thunderstorm Warnings in Kansas, 2001 Every severe thunderstorm warning in 2001

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.